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What is the Least Common Multiple of 9240 and 9245?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 9240 and 9245 is 17084760.

LCM(9240,9245) = 17084760

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Least Common Multiple of 9240 and 9245 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9240 and 9245, than apply into the LCM equation.

GCF(9240,9245) = 5
LCM(9240,9245) = ( 9240 × 9245) / 5
LCM(9240,9245) = 85423800 / 5
LCM(9240,9245) = 17084760

Least Common Multiple (LCM) of 9240 and 9245 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9240 and 9245. First we will calculate the prime factors of 9240 and 9245.

Prime Factorization of 9240

Prime factors of 9240 are 2, 3, 5, 7, 11. Prime factorization of 9240 in exponential form is:

9240 = 23 × 31 × 51 × 71 × 111

Prime Factorization of 9245

Prime factors of 9245 are 5, 43. Prime factorization of 9245 in exponential form is:

9245 = 51 × 432

Now multiplying the highest exponent prime factors to calculate the LCM of 9240 and 9245.

LCM(9240,9245) = 23 × 31 × 51 × 71 × 111 × 432
LCM(9240,9245) = 17084760